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patch 8.1.1575: callbacks may be garbage collected

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Problem:    Callbacks may be garbage collected.
Solution:   Set reference in callbacks. (Ozaki Kiichi, closes #4564)
This commit is contained in:
Bram Moolenaar
2019-06-20 03:45:36 +02:00
parent a3fce62c91
commit 75a1a9415b
13 changed files with 164 additions and 7 deletions
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21
src/testdir/test_prompt_buffer.vim
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@@ -102,3 +102,24 @@ func Test_prompt_editing()
call StopVimInTerminal(buf)
call delete(scriptName)
endfunc
func Test_prompt_garbage_collect()
func MyPromptCallback(x, text)
" NOP
endfunc
func MyPromptInterrupt(x)
" NOP
endfunc
new
set buftype=prompt
call prompt_setcallback(bufnr(''), function('MyPromptCallback', [{}]))
call prompt_setinterrupt(bufnr(''), function('MyPromptInterrupt', [{}]))
call test_garbagecollect_now()
" Must not crash
call feedkeys("\<CR>\<C-C>", 'xt')
call assert_true(v:true)
delfunc MyPromptCallback
bwipe!
endfunc